1997 Nissan 240SX Key Fob Battery Replacement Guide

1997 Nissan 240SX Key Fob Battery Replacement Guide

If your 240SX key is not unlock doors well, the battery more likely needs to be changed. In this article, we explained how to disassembly your remote key fob and change your Nissan key battery step by step.

What is the battery remote key fob use

Changing battery in key fob require flat head screwdriver and CR2025 battery. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
  • flat head screwdriver
  • 1xCR2025 battery

Step by step instruction

Inside of your remote key fob installed tiny coin battery. Carefully try to open your keyless entry remote with hands or flat head screwdriver. Replace 1xCR2025 battery with flat head screwdriver.

Change old battery with new one CR2025. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.

After the new battery installed, check keyless entry remote by pressing buttons. If all functions works, assemble your keyless entry fob's shell in reverse order.

The last thing to do is put your cover back on fob. Accurately try to put the pieces in place by hands from top to bottom. Inspect your fob shell for gaps. If it is not tightly closed try to repeat last step.

How to replace the battery video guide

How To Replace Nissan 240SX Key Fob Battery 1997

Still not working? Buy new one

Frequently Asked Questions

Key fob of Nissan 240SX use 1xCR2025 batteries. Price for CR2025 batteries are under $4 build upon the type, size packaging and brand you buy. Take your old battery to the store, with you to find a proper replacement.

Remote key fob in most of cases do not require to be reprogrammed after battery replace. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Changing your keyless entry remote battery is easy to do in 1997 Nissan 240SX. Most of car manufacturers think about clients and make a special hole for remote key fob open.

Dealer service cost for replace the battery in fob is from 50 to 600 dollars depending on the car.

You should change batteries inside keyless entry remote of Nissan 240SX at least every 3-4 years. lifespan of battery differ on their amount of use, operating conditions and quality.

These symptoms will alert you that it's possible time to replace battery in your Nissan 240SX: multiple clicks to unlock or lock doors required, you didn't change battery more than 4 years, key fob buttons not working and low key battery indicator on dashboard.
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Fob Compatibility:

  1. FCC ID: KOBUTA3T
  2. Models: 1995-1998 Nissan 240SX